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除了不怕水外
實在想不到還有什麼比羽絨強
PrimaLoft – Warmer Drier Softer
The most remarkable thing about this photo of Navy SEALs undergoing cold weather training at Det-Kodiak in Alaska is the expression on their faces. Or, better yet, their lack of expression. The reason is simple. In addition to training they are wearing garments insulated with PrimaLoft. In fact, PrimaLoft is used in cold weather loft layers used by all four services as well as SOCOM. If you’ve deployed in the past few years, chances are good you’ve relied on PrimaLoft.
Originally developed during the 1980s, the US Army commissioned Albany International to work on a water resistant synthetic alternative to down. What they came up with is PrimaLoft, used for military as well as commercial applications. However, in the meantime, they hardly been sitting around resting on their laurels. For instance, they’ve recently improved the performance of PrimaLoft Sport with their Convection Technology to offer 15% more loft than previous versions.
One of several things that PrimaLoft has going for it is a waterproof treatment that is cured into its fibers. This process results in PrimaLoft fibers adsorb only about 100–250% weight in water while many other polyester fibers will absorb up 400% to 1000% of their weight in water. Take a look at the diagram above. As you can see, PrimaLoft Sport does a pretty good job of retaining its CLO value* whether wet or dry. Additionally, PrimaLoft uses fibers that are less than one denier (a single strand of silk is essentially one denier) in thickness. This translates to increased compressibility.
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TCBB wrote:
除了不怕水外實在想不...(恕刪)
http://soldiersystems.net/2011/07/25/primaloft/
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你就會知道再好的羽絨外套 有穿等於沒穿
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